<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" label-width="68px">
     <!-- <el-form-item label="地址" prop="url">
        <el-input
          v-model="queryParams.url"
          placeholder="请输入地址"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>-->
      <el-form-item label="状态" prop="isEnable">
        <el-select v-model="queryParams.isEnable" placeholder="请选择是状态" clearable size="small">
          <el-option
            v-for="dict in isEnableOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['digital:systemback:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['digital:systemback:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['digital:systemback:remove']"
        >删除</el-button>
      </el-col>

    </el-row>

    <el-table v-loading="loading" :data="systembackList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="地址" align="center" prop="url"  height="80px">
      <template slot-scope="scope">
        <el-image :src="scope.row.url"  :preview-src-list="showImg(scope.row.url)" style="height:100px" ></el-image>
      </template>
      </el-table-column>
      <el-table-column label="状态" align="center" prop="isEnable" :formatter="isEnableFormat" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['digital:systemback:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['digital:systemback:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改系统背景图对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="图片">
          <uploadImage v-model="form.url" @selected="selected"/>
        </el-form-item>
        <el-form-item label="是否可用，0可用，1不可用">
          <el-select v-model="form.isEnable" placeholder="请选择是否可用，0可用，1不可用">
            <el-option
              v-for="dict in isEnableOptions"
              :key="dict.dictValue"
              :label="dict.dictLabel"
              :value="dict.dictValue"
            ></el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listSystemback, getSystemback, delSystemback, addSystemback, updateSystemback, exportSystemback } from "@/api/digital/systemback";
import uploadImage from '@/components/Upload/index.vue'
import defaultSettings from '@/settings'
export default {
  name: "Systemback",
  components: {
    uploadImage
  },
  data() {

    return {
      imgpre: defaultSettings.ossPreview,
      uploadImgUrl: process.env.VUE_APP_BASE_API + "/common/upload/oss", // 上传的图片服务器地址
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 总条数
      total: 0,
      // 系统背景图表格数据
      systembackList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 是否可用，0可用，1不可用字典
      isEnableOptions: [],
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        url: undefined,
        isEnable: undefined,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
    this.getDicts("sys_normal_disable").then(response => {
      this.isEnableOptions = response.data;
    });
  },
  methods: {
    //放大图片
    showImg(e){
      let array=[];
      array.push(e);
      return array;
    },
    selected(name) {
      this.form.url = name;
      console.log(this.form.url)
    },
    handleAvatarSuccess(res) {
      this.form.topImage =  res.imgUrl
    },
    handleAvatarDetailsSuccess(res) {
      console.log(12321312312312312312)
      this.form.image =  res.imgUrl
    },
    beforeAvatarUpload(file) {
      console.log(file.type.indexOf("image/jpeg,image/png"))
      const isJPG =( file.type === 'image/jpeg'||file.type === 'image/png'||file.type === 'image/tif');
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error('上传头像图片只能是 JPG 格式!');
      }
      if (!isLt2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!');
      }
      return isJPG && isLt2M;
    },
    /** 查询系统背景图列表 */
    getList() {
      this.loading = true;
      listSystemback(this.queryParams).then(response => {
        this.systembackList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 是否可用，0可用，1不可用字典翻译
    isEnableFormat(row, column) {
      return this.selectDictLabel(this.isEnableOptions, row.isEnable);
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        url: undefined,
        isEnable: undefined,
        id: undefined
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!=1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加系统背景图";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getSystemback(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改系统背景图";
      });
    },
    /** 提交按钮 */
    submitForm: function() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != undefined) {
            updateSystemback(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("修改成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          } else {
            addSystemback(this.form).then(response => {
              if (response.code === 200) {
                this.msgSuccess("新增成功");
                this.open = false;
                this.getList();
              } else {
                this.msgError(response.msg);
              }
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$confirm('是否确认删除系统背景图编号为"' + ids + '"的数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return delSystemback(ids);
        }).then(() => {
          this.getList();
          this.msgSuccess("删除成功");
        }).catch(function() {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$confirm('是否确认导出所有系统背景图数据项?', "警告", {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }).then(function() {
          return exportSystemback(queryParams);
        }).then(response => {
          this.download(response.msg);
        }).catch(function() {});
    }
  }
};
</script>
